diff options
Diffstat (limited to 'txr.1')
| -rw-r--r-- | txr.1 | 34 |
1 files changed, 30 insertions, 4 deletions
@@ -63014,6 +63014,24 @@ can be written as .code S.M.N instead. +.coNP FFI type @ elemtype +.synb +.mets (elemtype << type ) +.syne +.desc +The FFI type operator +.code elemtype +denotes the element type of +.metn type , +which must be a pointer, array or enum. + +Note: there is also a macro +.codn elemtype . +The macro expression +.code "(elemtype X)" +is equivalent to the expression +.codn "(ffi (elemtype X))" . + .coNP FFI types @, blkcnt-t @, blksize-t @, clockid-t @, dev-t @, fsblkcnt-t @, fsfilcnt-t @, gid-t @, id-t @, ino-t @, key-t @, loff-t @, mode-t @, nlink-t @, off-t @, pid-t @ ssize-t and @ uid-t The additional names of various common POSIX types may also be available, depending on platform. They are provided as @@ -64352,10 +64370,18 @@ The macro .code elemtype produce the element type of an array type, or the target type of a pointer type indicated by -.metn type-syntax , -using the -.code ffi-elemsize -function. +.metn type-syntax . +Note: the +.code elemtype +macro may be understood in terms of several possible implementations. +The form +.code "(elemtype X)" +is equivalent to +.codn "(ffi-elemtype (ffi-type-compile X))" . +Since there exists an +.code elemtype +type operator, the expression is also equivalent to +.codn "(ffi-type-compile '(elemtype X))" . .coNP Macro @ ffi .synb |